baber/WOPTO huggingface dataset:
Patent GB-1080569-A (GB)
Title: Improvements in or relating to rolling mills
Inventor: BOIKO JURY PAVLOVICH
IPC: B21B35/14
Filed: 1964-11-25
Abstract: 1,080,569. Rolling. JUZNO URALSKY MASHINOSTROITELNY ZAVOD. Nov. 25, 1964, No. 47891/64. Heading B3M. [Also in Division F2] The connection between the internally splined driving spindle heads 5 and the roll necks of the rolls 1 of a rolling mill, is facilitated by spring- loaded dogs 9 on the heads which engage in the internal splines 15 of the necks before the head and necks are fully engaged. The dogs are pivotally mounted on the heads in alignment with the internal splines and are urged by spring-loaded plungers 13 against stops 14. Each dog has only one lateral guiding surface which co-operates with the side of a spline in the roll neck. After roll changing, a rolling stand containing replacement rolls is shifted by a jack 7 (Fig. 1), towards the driving spindle heads 5 and 6 until the dogs just contact the roll ends. The spindles are then rotated slowly until the dogs, under their spring-loading, engage in the roll splines, the stand then being shifted into its final engaged position. The spindles are maintained in their normal dispositions, when the rolls are withdrawn, by means of hydraulic jacks which actuate pivoted supporting rollers for the spindles. The connection is applicable to horizontal or vertical rolling stands.
Patent GB-1273014-A (GB)
Title: Improvements in and relating to electric circuit breakers
Inventor: JONASSON SVEN
IPC: H01H3/36
Filed: 1969-09-30
Abstract: 1,273,014. Actuation of switches. ALLMANNA SVENSKA ELEKTRISKA A.B. 30 Sept., 1969 [1 Oct., 1968], No. 47905/69. Heading H1N. An operating spring 5 is coupled to the operating shaft 1 of a circuit breaker and to the shaft 9 of a charging device by way of an endless belt 11. The contact (not shown) is closed by a rod 4 driven by a cam 2 and follower 3 and latched by 19. One complete revolution of the cam closes the contacts and charges an opening spring. A catch 18 is momentarily released to initiate the closing movement and stops the shaft 1 after one revolution. The shaft 1 carries a wheel 13. A motor 7 drives a second wheel 17 non reversibly by a worm and pinion drive 8 or with a pawl and ratchet mechanism 9, 10. The spring bank 5, comprising a plurality of tension springs, is coupled to a third wheel 12. A chain 11 joins the wheels, passing over a fourth wheel 16 and being held in tension by a light spring 15 and another wheel 14. With such an arrangement no part of the charging device need move with the contacts and closing time is minimal.
Patent GB-1243067-A (GB)
Title: Suction dredging installation and method for sucking up sand by means of a suction dredging installation
Inventor: KONING JAN DE
IPC: E02F3/92
Filed: 1968-10-09
Abstract: 1,243,067. Suction dredgers. INGENIEURSBUREAU VOOR SYSTEMEN EN OCTROOIEN SPANSTAAL N.V. 9 Oct., 1968 [16 Oct., 1967], No. 47922/68. Heading E1F. A suction dredger has at the intake of a suction pipe a grid that prevents entry of large objects into the pipe and is movable axially of the pipe from a position in which it is completely housed within the pipe to a position in which it projects from the intake of the pipe. With such a constructed of suction pipe the sucking up of sand overlain by a layer of tenacious material is facilitated. Such sand is obtained by inserting the suction pipe into the material with the grid retracted into the pipe so that a core of the material enters the pipe and is retained therein when broken off as the pipe is withdrawn from the material. The core is deposited clear of the hole so formed in the material and the process is repeated until a hole penetrating the material is formed and the sand is exposed for removal through the suction pipe, the grid having been moved to project from the intake of the pipe.
Patent GB-1405924-A (GB)
Title: Rotary compressor unit
IPC: F16D27/01
Filed: 1972-10-18
Abstract: 1405924 Rotary compressors NUOVA JURTECHNICA Inc 18 Oct 1972 [20 Oct 1971] 47935/72 Heading F1F [ Also in Divisons F2 and H2] A compressor unit, for use in motor vehicle air conditioning, comprises a fixed housing 5 surrounding a rotor 7 which is rotated by a coaxial magnetic coupling comprising a driven rotatable pole ring 10 connected to the rotor 7 and a coaxial driving rotatable pole ring 15 radially spaced from the pole ring 10, one of which pole rings e.g. ring 15 is electromagnetic by having a coil 17 arranged for D.C. excitation and each of the pole rings circumscribing at least part of the axial length of the compressor rotor 7, and the rotor 7, the housing 5, and the driven pole ring 10 are hermetically sealed in a chamber 12 by a magnetically permeable wall 13 between the two pole rings. The coil 17 is connected to a supply via slip rings 18, 18' brushes 19, 19' and links poles 16; the pole ring 10 has permanent magnets and alternate polarity poles 11. The rotor 7 is carried by a stub shaft 3 secured to a pivot arm 1 bolted to the vehicle engine and, in operation, refrigerant is drawn in and discharged via conduits 34, 25. The pole ring 15, supported by bearings 20, 20', is unitary with a V-belt drive pulley 21 having an axially displaceable wall 22 biased by a spring 23, and is driven via a belt from a second such pulley, Fig. 4 (not shown), whose axially movable rod (40) is controlled by pivotable flyweights (43).
Patent GB-1492208-A (GB)
Title: Knife
IPC: B26B1/04
Filed: 1975-11-24
Abstract: 1492208 Knives P W POEHLMANN 24 Nov 1975 [2 April 1975] 48226/75 Heading B4B A knife, e.g. a pocket knife, comprises a pair of spaced apart elongate casing walls 7, 8, a blade 41 pivotally mounted between the walls on a transverse axis, the pivotal mounting including a hub member 21 passing through bearing surfaces in the blade and wall members and having a radially directed notch 26 adapted to register with corresponding notches 38, 44 in the bearing surfaces of one wall member and the blade respectively, and a detent mounted for axial movement relative to the hub and having a key 52 adapted to selectively co-operate with the notches in order to either allow or prevent movement of the blade relative to the casing walls. As shown in Fig. 9, the notches 26, 38, 44 are duplicated i.e. 27, 39, 46, the latter notches co-operating with a further key 53 on the detent. The detent is retained within the hub 21 by a threaded ring 36 and is normally urged by a spring 56 such that the keys 52, 53 are located, as shown in Fig. 3, partly within the notches 38, 44 and 39, 46, in this position the blade is either locked in the extended position, Fig. 2 (not shown) or locked in the closed position, Fig. 1 (not shown). By depressing the detent to bring the keys 52, 53, wholly within the notches 44, 46, Fig. 7 (not shown), the blade can be moved from either of the latter positions. A back plate 9 is provided with a stop 61 for abutment with a shoulder 62 on the blade; alternatively, Fig. 10 (not shown), the abutment may be effected by a pin (66) engaging a step (63) on the hub (211).
Patent GB-1407428-A (GB)
Title: Gas turbine engine having a power turbine system adapted to be selectively cut in
IPC: F02K3/075
Filed: 1972-10-19
Abstract: 1407428 Gas turbine jet engines MOTOREN UND TURBINEN UNION MUNCHEN GmbH 19 Oct 1972 [20 Oct 1971] 48277/72 Headings F1G and F1J The invention relates to a gas turbine engine of the kind comprising a separate power turbine, first and second slide valve means being provided whereby the gases from the gas generator section of the engine may be directed either to the power turbine or to a forward propulsion nozzle or to both. The engine shown in Fig. 1 comprises a compressor 7, 8, 9 combustion equipment 3 and a turbine 5 connected to drive the compressor through shaft 6; the engine comprises also a power turbine 13, flow of combustion gases thereto being controlled by an axially-slidable cylindrical valve 17, and a propulsion nozzle 15, flow of gases thereto being controlled by an axially-slidable cylindrical valve 14. Movement of the two valves is coordinated by an actuator 23 so that the sum of the areas of the two gas flow-paths F 1  and F 2  is maintained constant. The power turbine 13 is arranged to drive an aircraft lift fan through shafts and gearing 25, 26, 27. In Fig. 3 the axis of the propulsion nozzle 39 is again coaxial with the axis of the gas generator but the axis of the power turbine 37 is disposed at an angle thereto. The outlet area F 2  of the propulsion nozzle is controlled by an axially-movable valve-member 45 and the flow area F 1  of the power turbine is controlled by an axiallymovable valve-member 38. The two valve-members. are controlled by an actuator 48 acting through shafts and screwed rods. The power turbine drives a vertical lift fan by means of a shaft 57.
Patent GB-980416-A (GB)
Title: Improvements in and relating to shop fittings
IPC: A47F3/00
Filed: 1962-12-21
Abstract: 980,416. Display cabinets. E. SPOHR. Dec. 21, 1962 [Dec. 23, 1961], No. 48410/62. Headings A4B and A4H. A display cabinet has a lower storage part 7 secured to vertical supports 1, 2, 3, 4 and upper panels 15 horizontally movable and carrying sloping shelves 17 provided with rim 18 to support spectacle frames &c. and a mirror panel 13 which may be fixed or movable. The shelves 17 are centilevered and have a rim 18 and lining of velvet 17a. A lamp 12 is also provided.
Patent GB-1449862-A (GB)
Title: Electric switch device for the control of microsurgical  equipment
IPC: A61B90/00
Filed: 1973-10-15
Abstract: 1449862 Control panels CARL ZEISSSTIFTUNG 15 Oct 1973 [16 act 1972] 48512/73 Heading A4 J [Also in Division H1] A control panel suitable for controlling microsurgical equipment is arranged on the base of an operating chair Fig. 3, for control by a surgeon's foot and comprises a plurality of electric switch assemblies 22, 23, 24 (see Heading H1M) having actuators movable in different directions transversely of the base.
Patent GB-1280179-A (GB)
Title: Atomiser for liquids
Inventor: STOOP HANS RUDOLF
IPC: B05B3/02
Filed: 1969-10-03
Abstract: 1280179 Air humidifiers DEFENSOR AG 3 Oct 1969 [3 Oct 1968] 48685/69 Heading B2F An air humidifier produces two horizontally directed streams of air one above the other, the upper stream being dry and the lower stream carrying a liquid mist. In the apparatus shown, the lower or primary air stream of air is produced by sucking air through the filter 14 set in the underside of the apparatus and over the surface of the liquid, preferably water, in the tank 20 by means of the blower 40 provided with blades 38 which produces a flow of air through the atomiser ring 46, through the mixing chamber 82 into the primary air chamber 78 to the outlet 88. A mist of liquid is produced in this air flow by means of pump 36 which supplies liquid from tank 20 to the space between the centrifugal disc 42 and the guide disc 44 from which the liquid is thrown against the atomiser ring 46. The upper or secondary air flow is produced by means of the radial blower 58 which sucks air through the filter 66 and delivers it to the outlet 86 via the secondary air chamber 76. The pump 36, blowers 40, and 56 and discs 42 and 44 are driven by an electric motor 52 via a shaft 54 which extends above and below the motor. The housing of the humidifier is made from two connecting parts, a lower portion 2 and an upper portion 50 which are slidably fitted at the ring 60. This allows the upper portion and hence the streams of air to be rotated in a horizontal plane further as the motor assembly &c are all housed in the upper portion the humidifier is easily dissembled for maintenance.
Patent GB-1173677-A (GB)
Title: Method of Preparation of Derivatives of Alpha-Amino-Alpha-(Trihalogenomethyl)-p-Tolualdehydes
IPC: A01N35/04
Filed: 1967-10-27
Abstract: 1,173,677. α - Amino - α - (trihalogenomethyl)- p-tolualdehyde derivatives. INSTYTUT BADAN JADROWYCH. 27 Oct., 1967 [27 Oct., 1966], No. 48878/67. Heading C2C. α - Amino - α - (trihalogenomethyl) - p - tolualdehyde derivatives of the general formula p-OCH-C 6 H 4 -CH(CX 3 )NHR, wherein R is a straight- or branched-chain alkyl, aralkyl, alicyclic or heterocyclic residue and X is a chlorine or bromine atom, are prepared by reaction of an acetalimine of the general formula p-(R<SP>1</SP>O) 2 CH-C 6 H 4 -CH=NR, wherein R<SP>1</SP> is an alkyl radical, with trichloro-acetic or tribromoacetic acid, followed by hydrolysis of the acetalic group in the resulting product. When hydrochloric acid is used to effect the hydrolysis, the product is conveniently isolated as the hydrochloride salt.
Patent GB-1376848-A (GB)
Title: Electrical contact materials
IPC: B22F3/16
Filed: 1972-10-25
Abstract: 1376848 Sintered Cu-Ag-CdO materials SQUARE D CO 25 Oct 1972 [27 Oct 1971] 49101/72 Divided out of 1376656 Headings C7A and C7D The subject-matter of this Specification is similar to that described in Specification 1376656 but the mixture of powders additionally includes. irregular silver powder having a particle size not greater than 350 mesh (B.S.) to provide a composition consisting of 0À1 to 97À4 wt per cent copper, 2À5 to 20% cadmium oxide, the remainder being silver.
Patent GB-1081999-A (GB)
Title: Improvements in or relating to cabinets, cupboards, containers and the like
IPC: E05B65/00
Filed: 1963-12-13
Abstract: 1,081,999. Cabinets. R. B. BUCKNELL. Dec. 11, 1964 [Dec. 13, 1963], No. 49394/63. Heading A4B. [Also in Divisions B8 and E2] A cabinet, cupboard, container or the like has a door 6 carrying a first fastening member 7 on its internal surface for interengagement with a second fastening member on a portion of the remainder of the cabinet, cupboard container or the like, either the first or the second fastening member being movable with respect to the part of the cabinet, cupboard, container or the like upon which it is mounted to disengage the same from the other of the two members, access to the movable member at all times being attained through an aperture in one of the walls, or the door, of said cabinet, cupboard, container or the like and said aperture being dimensioned and positioned with respect to the movable fastening member such that a child's finger cannot reach the same. In the construction shown the aperture 14 is in a side wall 2 of the cabinet, cupboard, container or the like and the finger must be bent in order to engage the movable fastening member 9, a guide member 15 being provided which defines a finger receiving compartment and serves to assist an adult in locating the movable fastening member. The arrangement shown is such that only the finger nail can engage the movable member 9. The member 9 is a spring loaded pivoted bolt with a hook end 12 which engages a projecting portion 8 of a strip 7 on the door 6. The aperture 14 can be in the top or the bottom of the cabinet &c. or in the door.
Patent GB-1585928-A (GB)
Title: 2,5 - dimercapto - 1,3,4 - thiadiazole as a crosslinker for saturated halogen-containing polymers
IPC: C08L23/00
Filed: 1977-11-30
Abstract: To crosslink a saturated halogenated polymer, it is heated in the presence of a basic material and of 2,5-dimercapto-1,3,4-thiadiazole or of a salt of the latter and of the basic material. This process applies in particular to the preparation of crosslinked products suitable, inter alia, for the manufacture of pipes for conveying hydrocarbon fuels.
Patent GB-1499858-A (GB)
Title: Ignition unit for an electrical projectile fuse
IPC: F42C11/04
Filed: 1975-12-05
Abstract: 1499858 Projectile fuzes WERKZEUGMASCHINENFABRIK OERLIKONBUHRLE AG 5 Dec 1975 [6 Dec 1974] 49928/75 Heading F3A An electrically ignited projectile fuze, com prises a soft iron core 14 formed with a flange 15, an induction coil 17, an annular permanent magnet 18 which slides rearwardly when a projectile fitted with the fuze is fired, a soft iron ring 19 attached to the rear face of the magnet, and an optional soft iron ring (not shown) carried by the front face of the magnet, the distance h through which the magnet is arranged to set back being sufficient for the induction coil to be outside the magnetic field of the permanent magnet when the magnet is in its displaced position, and in which displaced position the magnet still embraces the soft iron core 14. The current induced in the coil 17 is stored in a capacitor 12 and is communicated to a detonator 20 by a switch which may be operable by the impact of the projectile or by a time delay. The time delay relay may only be energized when the projectile begins to spin.
Patent GB-1437703-A (GB)
Title: Hydraulic pressure control valve
IPC: F16K17/04
Filed: 1974-11-20
Abstract: 1437703 Fluid pressure servomotor systems ROBERT BOSCH GmbH 20 Nov 1974 [30 Nov 1973] 50291/74 Heading G3P A valve for relieving a pump 46 after a piston 57 has reached the end of a stroke and before a three-way valve 52 is operated to connect the pump to drain has a pressure limiting valve 24 which opens to allow fluid pressure to flow to a pressure relief valve 29, which opens to allow flow to drain, and to a chamber 17 in which pressure slowly rises due to a restriction 26 (or a throttle non-return valve). When the pressure in chamber 17 together with spring 41 is sufficient to overcome a spring 33 a valve 34 opens to allow flow to drain via passage 25 and the relief valve 29.
Patent GB-1318730-A (GB)
Title: Mercury coulometer
IPC: G01R22/02
Filed: 1970-10-23
Abstract: 1318730 Electrolytic coulometers TERUMO CERAMICS CO Ltd 23 Oct 1970 [13 Nov 1969] 50399/70 Heading G1Q A coulometer of the kind comprising a capillary tube 11 containing two mercury electrodes 13 separated by an electrolyte 12 has a solid member 14 disposed in the electrolyte to prevent disintegration of the mercury columns under mechanical shock. The member 14 may be a coloured plastics sphere or rod. The electrolyte consists of mercuric iodide, potassium iodide and demineralized water. The leads 15 are nickel or stainless steel wires and pass through epoxy resin seals 16.
Patent GB-1127250-A (GB)
Title: A process for making an ultra-stable zeolite
IPC: B01J29/08
Filed: 1965-11-26
Abstract: 1,127,250. Stabilizing zeolites. W. R. GRACE & CO. 26 Nov., 1965 [3 Dec., 1964], No. 50408/65. Heading C1A. A process for making an ultra-stable zeolite, i.e. one which can retain its crystalline structure when subjected to regeneration temperatures, e.g. 1700 F., which comprises calcining the zeolite at 1300-1600 F. after subjecting the zeolite to base exchange treatment to remove alkali metal ions, in which as a preliminary to the calcination the base exchanged zeolite is contacted with water or an aqueous electrolyte solution at a temperature of 80-120 C., preferably 90-110 C., for at least 2 hrs., preferably for at least 3 hrs., after the zeolite has reached ion exchange equilibrium with the water or solution. The electrolyte solution may comprise the solution with which the zeolite is base-exchanged, contact being maintained with the solution for at least 2 hrs. after ion-exchange equilibrium has been reached. A long list of natural and synthetic zeolites which may be treated according to the above process is provided.
Patent GB-1489218-A (GB)
Title: Integrated circuit amplifier having controlled gain and stable quiescent output voltage level
IPC: H03G3/30
Filed: 1974-11-21
Abstract: 1489218 Gain control MOTOROLA Inc 21 Nov 1974 [21 Nov 1973] 50546/74 Headings H4R and H3T In a gain control circuit an amplifier 11 has, connected to its input circuit, at 22, a variable impedance comprising a two electrode device 50 which has an impedance which is dependent on the current passing therethrough, in series with a three electrode device 54 which regulates the current passing through the two terminal devices from a voltage reference source 35 in accordance with a gain controlling signal applied to terminal 58 of the three electrode device, 54. In order to stabilize the D.C. conditions of the differential amplifier 11 of the preferred embodiment a second two electrode device 52 is connected to the base of transistor 14 so that there is no change in relative D.C. voltages of the two inputs of the differential amplifier with variation of the gain control signal. In an alternative form, Fig. 4, the reference voltage is derived from Zener diode 105, and fed to the diodes 50 and 52 via emitter followers 82, 88. Constant current sources for the emitter followers and the differential amplifiers are formed by transistors 84, 90, and 102. The output from the differential amplifier is taken via a balance to unbalance converter formed by the double collector transistor 112 and emitter follower 114. The circuit may be constructed as an integrated circuit with diodes 50, 52, formed by strapped transistors.
Patent GB-1143995-A (GB)
Title: Metal-insulator-metal diodes
Inventor: LYTOLLIS JOHN
IPC: H01L29/73
Filed: 1966-11-11
Abstract: 1,143,995. Cathode materials and processing; cold cathodes. STANDARD TELEPHONES & CABLES Ltd. 11 Nov., 1966, No. 50571/66. Headings H1D and HiK. A metal-insulator-metal diode, which may act as a cold cathode emitting hot electrons, comprises, on a substrate 4, e.g. of glass, a sandwich of a first metal film forming a base electrode 1, e.g. aluminium 2000 A thick, covered at least in part by an electrically insulating film 2 of between 200 Š-2000 Š thick, e.g. silicon monoxide, which is itself at least partly covered by a second metal film 3, e.g. gold 1000 A thick, in the form of a grid or perforated layer and which is insulated from the base electrode 1 by the insulating film 2. The diode is stated to operate as a cold cathode using a " tunnel hopping " process after it has been " formed " as described below. In the manufacture of the device, the layers are deposited on the substrate without breaking the vacuum of 10<SP>-6</SP> Torr, the device is then " formed " in a vacuum of 10<SP>-1</SP> Torr at room temperature by applying 10 volts across the device with the gold electrode positively biased to decrease the resistance and form a negative resistance region between about 3 volts and 7 volts. After " forming " selected areas of the gold layer are etched away to form the grid using a photolithographic technique. Dimensions of an example are given.
Patent GB-1177714-A (GB)
Title: Improvements in Movable Support Assemblies for Mineral Mines
Inventor: GRISEBACH HANS-THEODOR
IPC: E21D23/00
Filed: 1967-11-07
Abstract: 1,177,714. Advancing mine roof supports. GEWERKSCHAFT EISENHUTTE WESTFALIA. 7 Nov., 1967, No. 50588/67. Heading E1P. In an advancing mine roof support assembly comprising two frames 10, 11 arranged in parallel with an advancing jack 16, 17 therebetween the latter is secured to the frames by a connection 18, 19, 20, 21 allowing a degree of free movement in the shifting direction during which period the shifting force is transmitted to a prop of the advancing frame by thrust means 22, 23. The members 18, 19 may be selectively connected to the frames in a given angular relationship, see Fig. 3, (not shown). In a further modification, Figs. 5 and 6, (not shown), the thrust means are received in tapered bores disposed in the members 18, 19 which are adjustably mounted on the associated frames by an eccentric bolt arrangement.